Series and Progression Quiz 1

Question 1

Time: 00:00:00
Find 8th term of a GP with first term 1 and 4th term = -8

128

128

-128

-128

129

129

-129

-129

Question 2

Time: 00:00:00
Find the number of terms in the following GP

5

5

3

3

4

4

8

8

Question 3

Time: 00:00:00
In a GP, the common ratio is 2. Last term is 488 and the sum is 889. Then find the first term of GP

5

5

8

8

9

9

7

7

Question 4

Time: 00:00:00
Find sum of the following infinite series
2 + 1.6 + 1.28 + 1.024+......

12

12

19

19

10

10

8

8

Question 5

Time: 00:00:00
A candlestick is 20cm long. When lighted, its length becomes 0..75 times in every hour. Find The length of the candle at 6th hours

4.74 cm

4.74 cm

5.44 cm

5.44 cm

6 cm

6 cm

9 cm

9 cm

Question 6

Time: 00:00:00
Sum of an infinite series with a common ratio \frac{1}{3} is 12. Find third term of the series

\frac{5}{9}

\frac{5}{9}

\frac{8}{9}

\frac{8}{9}

\frac{3}{7}

\frac{3}{7}

\frac{10}{9}

\frac{10}{9}

Question 7

Time: 00:00:00
The sum of the first two terms of a GP is 16. Find the common ratio if the sum of the next two terms is 144

+3 or -3

+3 or -3

+4 or -3

+4 or -3

+5 or -5

+5 or -5

+7 or -6

+7 or -6

Question 8

Time: 00:00:00
GM of A is 12 and G.M of B is 20. Find out the GM of AB

18.63

18.63

17

17

15.49

15.49

11.65

11.65

Question 9

Time: 00:00:00
If the sum of reciprocals of the first 7 terms of an HP series is 84, find the 4th term of HP.

\frac{11}{12}

\frac{11}{12}

\frac{1}{12}

\frac{1}{12}

\frac{5}{11}

\frac{5}{11}

\frac{10}{19}

\frac{10}{19}

Question 10

Time: 00:00:00
The fourth term of H.P. is 7/99 and the seventh term is 7/85. Find the first term of HP.

\frac{7}{113}

\frac{7}{113}

\frac{117}{113}

\frac{117}{113}

\frac{11}{13}

\frac{11}{13}

\frac{71}{23}

\frac{71}{23}

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May 7, 2021